HIGHLY AIRTIGHT PACKING MATERIAL FOR REFRACTORY AND CONTINUOUS CASTING METHOD USING THIS PACKING MATERIAL

摘要

PROBLEM TO BE SOLVED: To provide a packing material, capable of improving the sealness to a nozzle joint part and preventing the invasion of the air over the whole casting, and a casting method using this packing material. ;SOLUTION: This highly airtight packing material for refractory is composed of at least one or more kinds of refractory powders and fiber, and further, MgO and reducing agent of one or more kinds among C, Al, Ti and Zr. It is desirable to contain 1-50 wt.% MgO and 1-50 wt.% in total wt.% of the reducing agent of one or more kinds among C, Al, Ti and Zr.;COPYRIGHT: (C)2001,JPO